Mila used the multiplication property to justify the first step in solving an equation. The original equation was x/2+4=10. What could the equation have been transformed into after this step

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Find the equation using the point (4,8)

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?